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Wilderness is harder and harder to find these days on this beautiful planet, and we're abusing our planet to the point of almost no return.

Sometimes you have to go through the wilderness before you get to the Promised Land.

Wilderness is not a luxury but a necessity of the human spirit.

All Israel wants to do is survive.

No one should be able to enter a wilderness by mechanical means.

Only by going alone in silence, without baggage, can one truly get into the heart of the wilderness. All other travel is mere dust and hotels and baggage and chatter.

We have a sense that we should be like the mythical cowboy... able to take on and conquer anything and live in the world without the need for other people.

There is no easy walk to freedom anywhere, and many of us will have to pass through the valley of the shadow of death again and again before we reach the mountaintop of our desires.

It's our destiny to explore. It's our destiny to be a space-faring nation.

I realize the answer is not to create wilderness and walk away.